MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, contains text related to an 'ugc net application form 2019 pdf' and a URL that matches the redirector. This suggests a phishing or social engineering attempt to trick the user into visiting malicious sites. The presence of a link farm heuristic further indicates an attempt to distribute malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/wb?keyword=ugc%20net%20application%20form%202019%20pdf In PDF document text
- http://files.lechandelierdor.com/uploads/1/3/0/7/130776578/fivoruzalapibi_jajerofulavufu_takufetanupi.pdfIn PDF document text
- http://files.unklemikesplace.com/uploads/1/3/1/3/131380915/jawejevulenujo-vevisida-wodurefafin-dololejonozore.pdfIn PDF document text
- http://files.rkspeech.com/uploads/1/3/1/4/131438249/9075954.pdfIn PDF document text
- http://files.philbg.ca/uploads/1/3/1/4/131482892/kaxusuduz-besapat-removedatabirel.pdfIn PDF document text
- http://files.northernnevadaclassicscarclub.com/uploads/1/3/1/3/131398000/4886251.pdfIn PDF document text
- http://files.michellexiao.net/uploads/1/3/1/6/131607346/xugex-xotosuzunixovir-kuvareduxifo-fufetatarifu.pdfIn PDF document text
- http://files.vicenzas-crostoli.com/uploads/1/3/1/4/131483253/9062675.pdfIn PDF document text
- http://files.bethanylutheranrlf.com/uploads/1/3/1/3/131381819/sizumomonogup.pdfIn PDF document text
- http://files.osgood-lagrone.com/uploads/1/3/1/4/131408930/duzirepola_fevinituze_mifamuxakat_fajazuvikufoso.pdfIn PDF document text
- http://files.athomedogeuthanasia.com/uploads/1/3/0/8/130873830/jazuvukibu-vanimuru-nedutunoseniso.pdfIn PDF document text
- http://files.jlindsaybrowndance.com/uploads/1/3/0/9/130969603/xajafat_jepod_wikedum_gezidepixos.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://zetawofuzuti.files.wordpress.com/2020/07/tomavulivek.pdfIn PDF document text
- https://mameloga.files.wordpress.com/2020/06/83195529479.pdfIn PDF document text
- https://xujeveva.files.wordpress.com/2020/06/77277911759.pdfIn PDF document text
- https://duzefovoxiga705241789.files.wordpress.com/2020/07/narububazodusegovufuto.pdfIn PDF document text
- https://vupufipa.files.wordpress.com/2020/07/76925315950.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mubexuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xumilegimazuguvabunozanik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31082235151.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/luvibuxunefipefijuli.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000736f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x736F | 5556 bytes |
SHA-256: 38858eadc766fac7aa09da185f5d6dc9a76c01f6d23ceaef43431d47a362fc35 |
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font_01_sfnt_off00008637.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8637 | 10312 bytes |
SHA-256: 23c32b573a8984ee5806e966686bb1758a04ac1247cd686377d8b8f58dcf446d |
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